RAIDERS' LISTED IN SENATE; Exchange Head Admits Ban on Shorts Gave Market Impetus. HAD TO COVER AS BUYERS W.A. Gray, New Cross-Examiner, Fails to Get Admission That Bears Cause Decline. PRICE PEGGING DEFENDED In the Meantime, La Guardia Attacks Exchange for Permitting Kreuger Flotations. SAYS SHORT SALES SAVED THE MARKET
Sen Norbeck says names of short operators will be revealed; Whitney says N Y Stock Exch banned short selling when Gt Britain went off gold standard to keep Exch open