STOCKS TUMBLE AS RISING TREASURY YIELDS RATTLE NERVES

2-year Treasury yield has added some 10 bp in past 5 days; now nearing the 5% level

Proto Corporation (PTOVF)

OTC Markets OTCPK - OTC Markets OTCPK Delayed Price. Currency in USD

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8.74

-1.03

(-10.54%)

At close: 12:37PM EDT

Sustainability data is currently not available for PTOVF.