F.3d 763, 771-72 (2d Cir. 1994) (finding no causation where, inter alia, the plaintiff's investment was followed by a real estate market collapse); Hampshire Equity Partners II, L.P. v. Teradyne, Inc., 2005 U.S. Dist. LEXIS 5261, at *16 M. Mar. 30, 2005) ("[W]hen a plaintiff's loss coincides with a market-wide phenomenon