07:27 ET Citigroup subpoenaed by SEC as part of Dynegy probe -- WSJ (C) 43.34: WSJ reports that the SEC has subpoenaed Citigroup for information about the "Project Alpha" transaction it helped arrange for Dynegy. Separately, WSJ reports that Jack Grubman, an analyst at Citigroup's Salomon Smith Barney unit, was instrumental in making key decisions at Global Crossing for two yrs after it went public.