Plug Power (PLUG 0.32%) stock closed out this past week's trading with double-digit gains. The hydrogen technologies company's share price gained 12.9% over the stretch and at one point had been up as much as 21.6% from where it stood at the end of the previous week's market close.
Plug Power stock got a big boost from bullish momentum for the broader market this week. The S&P 500 gained 0.5% across the stretch, and the Nasdaq Composite rose 1.5%. Both indexes set new valuation records in the stretch, helping to energize bullish sentiment for meme stocks.
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Iran news helped lift Plug Power stock this week
The broader market posted significant gains this week as investors reacted to an extended ceasefire between the U.S. and Iran and other geopolitical and macroeconomic dynamics. With hopes that an end for the Iran war is potentially in sight, investors have become less risk averse when it comes to macro dynamics.
NASDAQ: PLUG
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Will Plug Power continue to benefit from meme momentum?
An end to the conflict could help bring down oil prices, which would reduce inflationary pressures and lower the chances of the Federal Reserve moving to raise interest rates in order to combat inflation. All of those dynamics create a more favorable backdrop for meme stocks and other speculative plays, and Plug Power saw a strong rally in conjunction with the unfolding trends.
With this past week's pop, Plug Power stock is now up 59% across 2026's trading. In addition to better-than-expected fourth-quarter results, the company's valuation has also gotten a significant boost from the resurgence of meme-stock trading. While the bullish backdrop for the broader market and meme stocks could help send Plug Power higher in the near term, it also raises performance expectations heading into the company's next earnings report.
