S&P/ASX 200 Index (ASX: XJO) shares are down 0.5% to 8,662.4 points on Friday.
Brokers have lifted their ratings on several ASX 200 shares this week.
Let's take a look.

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AMP Ltd (ASX: AMP)
The AMP share price is $2.66, down 0.2% today and up 60% over 12 months.
Over the past month, this ASX 200 financial share has ascended 11%.
Macquarie upgraded AMP shares to a buy rating on Tuesday.
The broker has a 12-month price target of $2.92.
This suggests a potential 10% upside ahead.
Evolution Mining Ltd (ASX: EVN)
The Evolution Mining share price is $13.66, down 0.5% today and up 33% over 12 months.
Over the past month, this ASX 200 gold share has fallen 14%.
This week, Evolution announced its annual general meeting (AGM) will be held on Thursday 26 November.
UBS upgraded Evolution shares to a buy recommendation yesterday.
The broker raised its 12-month price target from $15.20 to $16.
This implies a potential 17% upside ahead.
Telix Pharmaceuticals Ltd (ASX: TLX)
The Telix Pharmaceuticals share price is $15.79, up 0.3% today and up 3% over 12 months.
Over the past month, this ASX 200 healthcare share has fallen 2%.
This week, Telix announced a merger with ITM Isotope Technologies Munich SE.
ITM is a global leader in therapeutic radioisotopes.
Telix Pharmaceuticals will acquire 100% of ITM for US$1.65 billion upfront.
RBC Capital upgraded Telix shares to a buy rating this week.
The broker lifted its 12-month price target from $19 to $21.
This suggests a potential 33% upside ahead.
Wesfarmers Ltd (ASX: WES)
The Wesfarmers share price is $73.99, up 0.2% today and down 20% over 12 months.
Over the past month, this ASX 200 consumer discretionary share has fallen 11%.
Morgan Stanley upgraded Wesfarmers shares to a hold rating this week.
The broker reduced its 12-month price target from $78 to $70.
This implies a potential 5% downside ahead.
Wesfarmers will conduct its AGM on Thursday 29 October.
Ramelius Resources Ltd (ASX: RMS)
The Ramelius Resources share price is $3.84, down 3% today and up 7% over 12 months.
Over the past month, this ASX 200 gold mining share has edged 3% lower.
This week, the miner released new FY27 guidance.
Ramelius Resources expects gold production of between 205,000 ounces and 225,000 ounces in FY27.
Its estimated all-in sustaining cost (AISC) is A$2,150 per ounce to A$2,350 per ounce.
The miner expects FY27 growth capital expenditure of A$480 million to A$570 million.
Canaccord Genuity upgraded Ramelius Resources shares to a buy call this week.
The broker raised its 12-month price target from $5.70 to $6.15.
This indicates potential capital gains of 56% over the next year.