Whole Foods shares jump on report that Amazon had considered a bid (WFM, AMZN)

Market Insider Whole Foodsis up again Wednesday morning, higher by 1.5%, after a pair of analyst upgrades and a Bloomberg reportthat Amazon had considered a bid for the company last fall but never followed through.Whole Foods is under pressure from activist Jana Partners to pursue a sale. Jana onTuesday disclosed an 8.3% stake in Whole Foods. Amazon is on Jana's list of hypothetical buyers. "Jana's list of potential bidders includes Amazon, as well as traditional grocery chains such as Kroger Co...