Saturday's News Links

[Reuters] Moody's turns negative on US credit rating, draws Washington ire

[Yahoo/Bloomberg] US Credit-Rating Outlook Changed to Negative by Moody’s

[Yahoo/Bloomberg] Israel Latest: Iran’s President Calls for Arming Palestinians

[Reuters] Yellen warns Beijing: Chinese firms aiding Russia face 'significant consequences'

[Reuters] Russia renews missile attacks on Kyiv, pounds Ukraine's east and south

[FT] Top four US banks grab a growing share of industry’s profits