Silicon eyed as way to boost electric car battery potential

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ERA GROUP, Inc. (NYSE: ERA) Delayed: 5.16 --0 (-0%)
Previous Close $5.16    52 Week High $12.39 
Open $25.21    52 Week Low $6.92 
Day High $5.16    P/E 6.88 
Day Low $5.16    EPS $0.75 
Volume 47       

TESLA MTRS (NASDAQ: TSLA) Delayed: 348.95 -13.91 (3.83%)
Previous Close $362.86    52 Week High $269.32 
Open $361.41    52 Week Low $141.05 
Day High $363.24    P/E N/A 
Day Low $348.26    EPS $-0.62 
Volume 39,168,808