Moody’s (MCO) came under fire and put volume picked up in the name midday after the EU said it might ban US-based credit rating agencies. Shares, which hit a 52-week high of $34.74 Wednesday, fell to a low of $32.99 and are now off 53 cents to $33.92. Investors are scrambling to buy out-of-the-money puts. April 33s are the most actives. 3,700 traded. April 32 and May 30s are busy as well. 14000 puts and 2700 calls traded in Moody’s. Peer McGraw Hill (MHP) is down 56 cents to $39.55 and options volume is 1425 puts/755 calls.