Breaking: "Facebook Is Down" Dow Is Down -315 Points NEW YORK (TheStreet) -- Facebook (FB - Get Report) is skating on thin ice after experiencing its third site wide outage in three weeks yesterday. Momentsafter Facebook went dark, Twitter (TWTR - Get Report) exploded with angry users using the hashtag #facebookdown to track the service glitch. No surprise,Facebook ended Monday down 3.84% to $89.21 and is still down in...