S&P/ASX 200 Index (ASX: XJO) shares are higher on Friday after a strong lead from Wall Street.
The Dow Jones Industrial Average Index (DJX: .DJI) rose 0.55% to a record close of 50,381.41 points overnight.
The US market surged as oil prices dropped amid hopes of a peace deal between the US and Iran soon.
Meanwhile, ASX 200 shares are up 0.53% to 8,668.2 points at the time of writing.
However, the ASX 200 remains in the red, down 0.71%, for the calendar year to date.
Amid volatile trading conditions, brokers have reduced their ratings on several ASX 200 shares this week.
Let's take a look.

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ASX 200 shares downgraded this week
Telstra Group Ltd (ASX: TLS)
The Telstra share price is $5.43, down 0.7% today.
The ASX 200 telco share has risen 15% over the past 12 months.
Macquarie downgraded Telstra shares from outperform to neutral today.
The broker shaved its 12-month price target by 1.2% to $5.57.
This suggests just 4% upside ahead.
IAG Australia Group Ltd (ASX: IAG)
The IAG share price is $7.87, down 3.5% today.
Over the past year, this ASX 200 financial share has fallen 10%.
Citi downgraded IAG shares from buy to hold with an $8.50 price target on Friday.
This still implies a potential 8% upside ahead.
Brambles Ltd (ASX: BXB)
The Brambles share price is $16.77, down 1.2% today.
Over the past month, Brambles shares have fallen 26%.
Morgans downgraded the ASX 200 industrial share from accumulate to hold on Tuesday.
The broker also reduced its 12-month price target from $25.50 to $18.70.
This still implies a potential 11% upside ahead.
Nick Scali Ltd (ASX: NCK)
The Nick Scali share price is $13.20, down 3.6% today.
Over the past six months, this ASX 200 retail share has fallen 43%.
Jefferies downgraded Nick Scali shares from buy to hold on Friday.
Analyst Michael Simotas forecasts lower profits ahead due to falling consumer sentiment amid higher interest rates and proposed changes to capital gains tax (CGT) in the Federal Budget.
Simotas attributed his profit forecast downgrades to "operating deleverage in Australia, New Zealand and U.K. due to softening macroeconomic conditions and given Nick Scali's sales are strongly correlated to housing market".
The broker slashed its 12-month price target by 44% to $14 per share.
This indicates only a small potential uplift ahead.
Elders Ltd (ASX: ELD)
The Elders share price is $5.77, up 2.7% today.
This ASX 200 agribusiness has lost 23% of its market valuation over the past six months.
Canaccord Genuity downgraded Elders shares to hold after the company released its 1H FY26 results.
The broker cut its 12-month target from $8.64 to $5.34.
This suggests a potential 7% downside ahead.