S&P/ASX 200 Index (ASX: XJO) shares are 1.1% lower on Thursday amid no progress on negotiations between the US and Iran.
Meantime, brokers have indicated a changed view on several ASX 200 shares, and have upgraded their ratings.
Let's check them out.
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Sandfire Resources Ltd (ASX: SFR)
The Sandfire Resources share price is $19.46, down 1.6% today.
Over the past month, this ASX 200 copper share has ripped 16%.
UBS upgraded Sandfire Resources shares to a hold rating this week.
The broker increased its 12-month price target from $16.75 to $20.
This implies just 3% upside ahead.
Evolution Mining Ltd (ASX: EVN)
The Evolution share price is $12.21, down 3.4% today.
Over the past year, this ASX 200 gold share has climbed 39%.
UBS upgraded Evolution shares to a buy rating this week.
The broker upped its price target from $13.80 to $14.
This suggests a potential 15% upside ahead.
Woolworths Group Ltd (ASX: WOW)
The Woolworths share price is $34.84, up 0.6% today.
Over the past six months, this ASX 200 consumer staples share has recovered 18%.
JP Morgan upgraded Woolworths shares to a buy rating this week.
The broker lifted its 12-month price target from $35 to $37.
This implies a potential 6% upside ahead.
Wesfarmers Ltd (ASX: WES)
The Wesfarmers share price is $78.13, up 0.7% today.
The market's largest consumer discretionary share has lifted 8% over the past month.
Morgans upgraded Wesfarmers shares to a buy rating with an $81.10 price target on Monday.
This indicates possible growth of 4% over the next year.
Paladin Energy Ltd (ASX: PDN)
The Paladin Energy share price is $11.41, up 0.4% today.
Over the past six months, this ASX 200 uranium share has leapt 40%.
Macquarie upgraded the stock to a buy rating with a $13.25 target this week.
This suggests potential capital growth of 16% over the next year.
National Australia Bank Ltd (ASX: NAB)
The NAB share price is $37.05, down 1.9% today.
The ASX 200 bank share has fallen 13% in 2026.
Citi upgraded NAB shares to a hold rating this week.
The broker reduced its 12-month price target from $39.25 to $37.40.
This suggests almost no capital growth ahead.
