Wednesday's trading volume increased to 827,256 call contracts out of 917,156 on the Chicago Board Options Exchange (CBOE), primarily due to equity option activity; however, further upbeat and disappointing economic data from home coupled with worries about Greek debt situation caused a double-digit drop in the Dow Jones Industrial Average (DJIA) on Wednesday. Worries about the state of the U.S. recovery were exacerbated by mounting manufacturing data and rising inflation, while talk of reformed Greek government added fresh uncertainty on how it allies.