The 'best risk-reward' in 2 years: Morgan Stanley's investment chief says now is the time for stock traders to buy

· *Stocks are in "the best risk-reward" scenario of the past two years as coronavirus risks drive prices to multiyear lows, Mike Wilson, chief investment officer at Morgan Stanley, told CNBC Thursday. *
· *The bank has been buying back into equities "over the last two, three, four weeks" as prices stabilize, he added.*
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