U.S. stocks rose on Wednesday, with major indexes closing more than 1 percent higher.

(Reuters)

[Instant News/Comprehensive Report] As investors' optimistic outlook on technology companies eased concerns about the economy, the US stock market rose on Wednesday, with major indexes closing up more than 1%, with the Dow Jones Industrial Average up 323 points.

TSMC's ADR rose 2.15% to close at $92.76, and UMC's ADR fell 0.17% to close at $8.59.

According to comprehensive foreign media reports, the strong rise in technology stocks, coupled with the ease of market concerns about the banking industry, boosted market sentiment.

Micron shares soared 7.2 percent, boosting the Nasdaq and S&P 500 .

Shares climbed after the chipmaker reported its second-quarter earnings as company executives said inventory problems were improving.

Other semiconductor plants followed suit, with Nvidia up 2 percent and AMD up 1.6 percent.

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Elsewhere, regional bank stocks rose, with the SPDR S&P Regional Banking ETF up about 1%, and big banks such as Citigroup and Goldman Sachs also rising.

The Dow Jones Industrial Average rose 323.35 points, or 1.00%, to close at 32717.60.

The Nasdaq rose 210.16 points, or 1.79%, to close at 11926.24.

The S&P 500 rose 56.54 points, or 1.42%, to close at 4027.81.

The Philadelphia Semiconductor index rose 99.85 points, or 3.27%, to close at 3157.11.

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