S&P/ASX 200 Index (ASX: XJO) shares are steady at 8,732 points on Friday.
Among the 11 market sectors, materials and miners are in the lead today, up 1.4%.
The consumer staples sector is the laggard, down 0.88%.
The ASX 200 has slipped into the red for the calendar year to date
However, a major survey shows investors are continuing to add to their portfolio positions.
Meanwhile, brokers have reduced their ratings on several ASX 200 shares this week.
Let's take a look.

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WiseTech Global Ltd (ASX: WTC)
The WiseTech share price is $32.04, up 0.5% today and down 67% over 12 months.
Over the past month, this ASX 200 tech share has fallen 26%.
Rothschild & Co downgraded WiseTech shares to a hold rating on Monday.
The broker has a 12-month price target of $37.
This implies a potential 15% upside ahead.
West African Resources Ltd (ASX: WAF)
The West African Resources share price is $3.60, up 2.1% today and up 31% over 12 months.
Over the past month, this ASX 200 gold share has risen 4%.
Macquarie downgraded West African Resources shares to a hold rating today.
The broker has a 12-month price target of $4.
This suggests a potential 11% upside ahead.
Ansell Ltd (ASX: ANN)
The Ansell share price is $42, down 0.4% today and up 26% over 12 months.
Over the past month, this ASX 200 healthcare share has increased 18%.
RBC Capital downgraded Ansell shares to a hold rating on Tuesday.
The broker increased its 12-month price target from $36 to $38.
This implies a potential 10% downside ahead.
Harvey Norman Holdings Ltd (ASX: HVN)
The Harvey Norman share price is $4.14, down 0.7% today and down 43% over 12 months.
Over the past month, this ASX 200 consumer discretionary share has fallen 11%.
Morgan Stanley downgraded Harvey Norman shares to a sell rating today.
The broker lowered its 12-month price target from $4.50 to $3.90.
This means a potential downside of 6% over the next year.
Graincorp Ltd (ASX: GNC)
The Graincorp share price is $6.57, down 0.3% today and down 25% over 12 months.
Over the past month, this ASX 200 consumer staples share has risen 19%.
Macquarie downgraded Graincorp shares to a hold rating this week.
The broker shaved its 12-month price target from $7.10 to $7.
This suggests a potential 7% upside ahead.