Xenetic Biosciences, Inc. (XBIO) shares skyrocketed 123.41 percent, gaining $5.29 to $9.58, with no apparent news driving the move.
The stock is currently trading at $9.56, compared with a previous close of $4.29 on the Nasdaq. Shares opened at $11.72 and have traded between $9.75 and $13.93 so far today, with volume surging to 42.3 million shares majorly above the average of about 30,000.
Over the past 52 weeks, Xenetic Biosciences shares have ranged between $2.20 and $13.93, with today's spike propelling the stock to the top of its yearly range.
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December 19, 2025 15:10 ET U.S. inflation data and interest rate decisions by major central banks were the highlights of this busy week for economics news flow. Employment data and survey results on the housing markets also gained attention in the U.S. In Europe, the European Central Bank and Bank of England announced their policy decisions and macroeconomic projections.