he Bear Steams Respondents, Claimants bear the burden to prove both "transaction causation" (cause in fact) and "loss causation" (proximate cause). Lentell v. Merrill Lynch & Co., Inc., 396 F.3d 161, 172-74 (2d Cir. 2005). The Amended Statement of Claim fails to plead either. - 26 - KU 2747129.3 EFTA00294840 For transaction ca