Initial moves, second thoughts?

Online marketplace eBay (EBAY) started the week with bang, erasing a recent pullback by jumping more than 7% intraday to a new all-time high, making it one of the S&P 500’s five-strongest performers on Monday:

The ticker also landed on the LiveAction scan for high call volume, which was a little more than 18 times average. That said, the stock retreated from its intraday high to close in the lower half of the day’s range, suggesting a possible decrease in bullish enthusiasm as time passed.

Before discussing the headlines that appeared to be behind the rally, let’s highlight what made EBAY’s move unusual, and whether the stock followed any particular pattern after similar days in the past. First, excluding the stock’s first 100 trading days in 1998—when, during the dot-com boom, the stock rallied more than 532% and shares routinely jumped 50% or more in a week—eBay has had rallied at least 7% intraday while closing in the lower half of the day’s range only 39 times. More often than not, the stock was lower one week later, with a median return of -1.8%.

A big intraday rally that significantly reverses by the end of the day could signal that traders and investors were rethinking whatever news triggered the initial jump. While the pullback in this case wasn’t particularly dramatic, it’s worth noting that eBay rallied above $115 in pre-market trading—nearly $4 higher than its regular-session high—which implies the intraday reversal was even more significant. Either way, in the context of a potential “overshoot” the upside, a tendency to trade to the downside over the next week is understandable.

Now, for the news: EBAY’s jump followed reports that GameStop (GME) was willing to pay $56 billion to buy it—a deal that translated into an offer of around $125/share, or roughly 20% above EBAY’s May 1 closing price.¹

One day never decides a trend, but we’ll soon find out if EBAY’s reversal from its intraday highs amounted to traders weighing in on the likelihood of its sale becoming a reality.

Market Mover Update: June WTI crude oil futures (CLM6) started the week with another surge, rallying 4.4% to $106.42.

Morgan Stanley & Co. strategists highlighted the strength of Q1 earnings so far. While hyperscaler and semiconductor earnings have been major contributors to revenue and earnings resiliency, strength has not been limited to these groups: The median earnings surprise for the S&P 500 is 6%, the strongest in four years, the index’s median stock earnings growth is 16% (four times the trailing Q4 average), and the S&P 600 small-cap index’s forward EPS growth is 21%, up from 8% at the start of the year.²

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¹ CNN. GameStop makes daring $56 billion bid for eBay, hoping to rival Amazon. 5/4/26.
² MorganStanley.com. Weekly Warm-up: Earnings Strength Continues. 5/4/26.