Getty Images Wells Fargo investors have learned a lot about the bank’s worsening issues recently, but they should be watching carefully over the next couple of weeks for possibly more bad news — from the bank’s auditors, KPMG. KPMG must opine on Wells Fargo’s WFC, +1.32% internal controls by around March 1, and investors might not like the answer: the very real possibility of an adverse opinion from the auditors identifying material weaknesses in the bank’s controls. On Feb. 2, the Federal...