Trending tickers: Marvell, Gap, Ulta Beauty, Dell and Alibaba

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Marvell (MRVL)

Shares in Marvell Technology (MRVL) fell 12% in pre-market trading on Friday after the chipmaker delivered a weaker-than-expected forecast for its data centre business, unsettling investors hoping to capitalise on the AI boom.

Revenue from Marvell’s (MRVL) data centre segment rose 69% in the second quarter to $1.49bn (£1.1bn) falling short of the $1.51bn analysts had expected on average. While total quarterly revenue came in at $2.01bn, in line with Wall Street estimates, the company guided for third-quarter revenue of $2.06bn, plus or minus 5%, below the consensus forecast of $2.11bn.

Marvell’s (MRVL) chief executive Matthew Murphy said on a post-earnings call that data centre revenue in the current quarter would be flat compared with the previous quarter, though he added the company expects a “substantially stronger” performance in the fourth quarter.

"We were expecting growth to accelerate for its custom application-specific integrated circuit [ASIC] business as Marvell (MRVL) has design wins with multiple hyperscale customers. Instead, management talks about 'lumpiness' in its custom ASIC business," he said.

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An application-specific integrated circuit (ASIC) is a type of integrated circuit, a collection of electronic circuits on a single chip, that is custom-designed for a specific application or function, rather than for general-purpose use.

Marvell (MRVL) designs custom chips to power AI workloads for large cloud providers including Microsoft (MSFT) and Amazon (AMZN). Its shares have dropped 30% year-to-date, lagging behind other chipmakers that have surged on AI-driven demand.

Gap (GAP)

Shares in Gap (GAP) were lower in pre-market trading on Friday after the US fashion retailer posted mixed second-quarter results and warned that rising tariff costs would weigh further on margins in the months ahead.

The company beat Wall Street expectations on earnings per share, reporting net income of $216m, or 57 cents per share, for the three months to 2 August, up from $206m, or 54 cents per share, a year earlier. However, revenue came in below forecasts at $3.73bn, up marginally from $3.72bn last year, while comparable sales rose 1%, missing the 1.9% growth analysts had expected.

Tariffs emerged as a growing headwind in the results. Gap (GAP) revised its full-year estimate for tariff-related costs to between $150m and $175m, up from the $100m to $150m range it projected in May. The company said these costs would shave 1 to 1.1 percentage points off its full-year operating margin, now expected to be between 6.7% and 7%, down from 7.4% last year.