For example, the three listed below have been up over 20% in morning trade.

Here's what is putting a rocketing under these mining shares on Monday:

Buxton Resources Limited (ASX: BUX)

The Buxton share price is up a massive 34% to 27.5 cents. This morning, this nickel explorer reported high grade nickel and cobalt mineralisation in sulphides from the first diamond hole at the Dogleg Prospect within the West Kimberley Project. Management believes that this result, along with previous exploration success, validates its view that the project has the potential to host Nova-Bollinger style nickel sulphide deposits.

Greentech Metals Ltd (ASX: GRE)

The Greentech Metals share price is up 23% to 67 cents. This has been driven by news that diamond drilling has commenced at the Osborne joint venture. Diamond drilling totalling up to 1500m has been planned to gather stratigraphic and structural information in the Southern pegmatite zone utilising existing heritage cleared areas. Management notes that its West Pilbara lithium projects are to the west of and in proximity to the Azure Minerals (ASX: AZS) Andover Discovery.

Wildcat Resources Ltd (ASX: WC8)

The Wildcat share price was up 21% to $1.01 this morning. It has now eased back a touch but remains up 15% to 96 cents. Investors have been scrambling to buy this ASX mining share after its assay results supported the "uncovering [of] a tier-1 lithium deposit at Tabba Tabba." This lithium project is not too far away from the Pilbara Minerals Ltd (ASX: PLS) owned Pilgangoora Project and the Mineral Resources Ltd (ASX: MIN) owned Wodgina Project.

The post 3 ASX mining shares surging over 20% on Monday on big news appeared first on The Motley Fool Australia.

Despite the public holiday on Monday shuttering the ASX, numerous companies had defining weeks.

Here are five that really jumped out at me.

ASX shares making big moves lower

Domino's Pizza Enterprises Ltd (ASX: DMP) leapt onto investors' radars on Tuesday. This came following a cost-cutting update from the S&P/ASX 200 Index (ASX: XJO) fast-food pizza retailer.

As part of its efforts to deliver a $55 million increase in annualised underlying performance, the ASX share said it was closing all of its 27 stores in Denmark.  Domino's reported it would also shutter 65 to 70 underperforming corporate-owned stores, or some 2% of its global network.

With the company also forecasting slower-than-expected H2 earnings growth, the ASX share was down as much as 12% in intraday trading. The Domino's share price closed down 5.9% on Tuesday.

Another stock that defined the week, with a big move lower on Wednesday, is ASX 200 biotech share CSL Ltd (ASX: CSL). This came after CSL reported a higher-than-expected negative impact of foreign currency moves.

CSL's cut its FY23 profit forecast, citing foreign currency headwinds of US$230 million to US$250 million. The biotech company had previously forecast an impact of US$175 million.

The ASX share closed down 6.9% on Tuesday, having posted intraday losses of 8.6%.

The third stock that made my top five list this week for posting an outsized daily loss is Appen Ltd (ASX: APX).

The AI stock closed down 9.9% on Thursday as approximately 16 million new shares hit the market. That was part of Appen's retail entitlement offer to raise $38 million. This followed an earlier $21 million institutional placement.

The capital raising put the ASX share under pressure, as new shares were issued at an offer price of $1.85 apiece. That was well below the $3.14 per share Appen stock was trading for at Wednesday's close.

Meanwhile, these ASX stocks shot the lights out

Fortunately, there were some very big winners amongst ASX shares as well.

Leading that charge was ASX lithium stock Greentech Metals Ltd (ASX: GRE).

The microcap ASX share closed up a whopping 214.3% on Thursday, having posted intraday gains of 286%.

Investors overheated their buy buttons after the ASX lithium explorer reported on encouraging results at its Ruth Well Project, located in Western Australia.

Results from 22 initial reconnaissance rock chip samples returned grades of lithium mineralisation measuring up to 1.65% Li2O.

Executive director Thomas Reddicliffe was clearly stoked by the results, saying the discovery "positions Greentech as a rapidly emerging critical metals business with an advanced project pipeline".

Rounding off our list, the fifth company that defined the week with a big move higher is ASX 200 energy share AGL Energy Limited (ASX: AGL).

The AGL share price was up more than 15% in intraday trading on Friday, closing the day up 9.7%. The early-day gains saw the stock trading at a new 52-week high.

Investors bid up the ASX share after the company upgraded its FY23  earnings guidance and forecast a bumper year for earnings in FY24.

AGL revised its earnings before interest, tax, depreciation and amortisation (EBITDA) guidance for FY23 to a range of $1.33 billion to $1.38 billion. That was up from the previous guidance range of between $1.25 billion and $1.35 billion.

AGL was even more bullish on its FY24 earnings outlook.

The ASX share also got a big lift from management's forecast that next year's underlying EBITDA will be some 50% higher, expected to be in a range of $1.88 billion to $2.18 billion.

The post 5 ASX shares that defined the week appeared first on The Motley Fool Australia.

The microcap ASX lithium stock closed on Friday trading for 10.5 cents per share.

Greentech stock entered a trading halt on Monday at the company's request, and rocketed higher after emerging from that halt this morning.

Shares were changing hands for 40.5 cents in morning trade, putting the Greentech share price up an eye-popping 286%.

At the time of writing, shares are trading for 39 cents apiece, up 266%.

Here's what's spurring investor interest in the ASX lithium share.

Why is this ASX lithium share rocketing higher?

Investors are sending the Greentech share price through the roof today after the ASX lithium explorer reported some very promising results at its 100% owned Ruth Well Project, located in Western Australia.

The results from rock chip samples have confirmed the presence of spodumene-bearing pegmatites. If you're not familiar, spodumene is a lithium aluminium silicate mineral.

Greentech announced that results from the 22 reconnaissance rock chip samples submitted for analysis to date have returned "encouraging grades of lithium mineralisation" measuring up to 1.65% Li2O.

Potentially indicating some significant growth potential, the company also noted that the Ruth Well pegmatite bearing zone was up to 200m wide and traced for 6km strike. And the zone remains open in all directions within its tenements.

What did management say?

Commenting on the initial results sending the Greentech share price soaring, executive director Thomas Reddicliffe said:

The West Pilbara region is continuing to attract significant interest from listed companies and investors and Greentech has secured a strategic and highly prospective foothold…

This discovery in WA's new lithium hot spot, combined with the company's advanced Whundo Copper Project, where we recently reported a significant resource upgrade, positions Greentech as a rapidly emerging critical metals business with an advanced project pipeline.

The ASX lithium explorer said it was preparing programs of work (PoWs) for a maiden reverse circulation (RC) drilling program at Ruth Well.

The drilling commencement remains subject to relevant approvals.

Greentech share price snapshot

Greentech is a relative newcomer to the ASX, having listed on 4 January 2022.

The company's initial public offering (IPO) raised $5 million at 20 cents per new share.

Shares raced higher over the following weeks, closing at 37 cents on 21 January 2022.

That remained the all-time high for the Greentech share price until today.

The post Greentech share price explodes 286% to all-time highs on new lithium strike appeared first on The Motley Fool Australia.

The Western Australia-based battery materials explorer's shares were up as much as 50% to 30 cents in afternoon trade.

The GreenTech Metals share price ultimately ended the day 37.5% above its listing price at 27.5 cents.

The GreenTech Metals now trading on the ASX after IPO

GreenTech Metals landed on the ASX boards this morning after raising $5 million at an IPO listing price of 20 cents per new share.

It is an exploration and development company focused on the discovery, development and acquisition of projects in Australia and overseas that contain metals and minerals used in the battery storage and electric vehicle sector.

These assets include the Whundo Project that was acquired from Artemis Resources Ltd (ASX: ARV), which is a major shareholder in the company. The Whundo Project is located approximately 40 km south-southwest of Karratha in the West Pilbara Region of Western Australia and is approximately 12.5 km southeast of the Radio Hill nickel plant.

Commenting on the IPO, Artemis' Executive Director, Alastair Clayton, said: "We are pleased to see GreenTech list on the ASX following their successful IPO raising, which was led by CPS Capital and strongly oversubscribed. With GreenTech expected to commence drilling at Whundo within the coming weeks, we see strong news flow across the portfolio in the short-term and throughout the year."

"With drill programmes due to re-commence at Paterson Central and Greater Carlow soon Artemis has a very busy schedule for 2022. We are delighted to see the GreenTech team already driving exploration hard and we retain considerable exposure to the success of GreenTech, both as the company's largest shareholder and as a joint-venture partner," he added.

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