Robbins Geller Rudman & Dowd LLP Files Class Action Lawsuit against Microsoft Corp today 12th August, 2013 in a Violation of The Securities Exchange Act 1934 on the bases that Microsoft posted a false and misleading report on financial and sales performance of surface tablets. This Class Action Lawsuit is on Behalf of shares purchased between 18th April 2013 and 18 July 2013. It was claimed that after Microsoft posted a $900 million write down on surface that Microsoft's share price went down 11.4% or$4.04 .
From my own perspective ,Microsoft's share price from 18th April 2013 to 12th August was up over 14%. I'm not sure how valid the suit is in regard to the share price or how much damage it resulted in .