Bluejay Diagnostics, Inc. (BJDX) jumped 150 percent to $8.55 during Monday's trading, up $5.13, with no apparent news driving the move.
The stock opened at $8.37 and has traded between $6.94 and $10.20 today on the Nasdaq. It previously closed at $3.42. Volume surged to 49.3 million shares, far exceeding the average daily volume of 71,146.
BJDX has traded between $3.03 and $316.80 over the past 52 weeks.
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