MINYANVILLE ORIGINAL The Nasdaq Composite Index (INDEXNASDAQ:.IXIC) had fallen 0.38% to 2 990.76 as of  3:00 p.m. EST today on continued investor skittishness about the fiscal cliff and the troubled eurozone.   Despite this social networking giant Facebook (NASDAQ:FB) rose 1.74% to $27.51 as investors continued to warm to the company’s ideas about advertising revenue. Sirius XM Radio (NASDAQ:SIRI) however fell off yesterday’s pop dropping 0.36% to $2.79 per share.   Yahoo (NASDAQ:YHOO) jumped 1.81% to $18.89 after it acquired video chat company OnTheAir to work with the company’s mobile group. Groupon (NASDAQ:GRPN) continued to plummet falling a steep ...