Wall Street tumbles, indexes post biggest weekly losses since March

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Marina Biotech, Inc. (NASDAQ: MRNA) Delayed: 141.22 +7.90 (5.93%)
Previous Close $133.32    52 Week High $0.52 
Open $133.11    52 Week Low $0.08 
Day High $159.47    P/E N/A 
Day Low $132.42    EPS $-3.80 
Volume 72,308,176