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Stock Information

PRTO (Common Stock)
ExchangeNASDAQ GS (US Dollar)
Change (%)0.00 (0.00%)
Today's Open$1.85
Previous Close$1.85
Intraday High$1.90
Intraday Low$1.85
52 Week High$2.75
52 Week Low$1.10
Data as of 12/15/17 3:59 p.m. ET
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Data provided by Nasdaq. Minimum 15 minutes delayed. View Attributions and Sources