Hershey (HSY) downgraded to Underperform at Jefferies as exposure to high commodity prices and heavy concentration in chocolate likely to weigh on earnings and margins. Read more here.

Key Takeaways Jefferies analysts downgraded Hershey to underperform and lowered their price target.The firm said chocolate is trailing other snacks in volume growth and is being bought less frequently despite being the largest category in dollar sales.

Shares of Hershey Co. HSY slumped 0.25% to $190.52 Thursday, on what proved to be an all-around great trading session for the stock market, with the S&P 500 Index SPX rising 0.40% to 5,745.37 and the Dow Jones Industrial Average DJIA rising 0.

The most talked about and market moving research calls around Wall Street are now in one place. Here are today's research calls that investors need to know, as compiled by The Fly. Bernstein upgraded Starbucks (SBUX) to Outperform from Market Perform with a price target of $115,