These heavily shorted stocks could squeeze the short-sellers if they report bullish earnings this week.
Here are Wednesday's top research calls, including an upgrade for Lululemon and new coverage of L Brands, Masco and Under Armour.
BlackRock is one of the 'best-run financials in the world,' says Jim Cramer.
Politics aside, cool weather benefits retailers, says Jim Cramer.
President-elect Trump's vague healthcare policy has put the $3 trillion industry on edge.