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NEW YORK ( TheStreet) -- ATMI (Nasdaq: ATMI) hit a new 52-week high Monday as it is currently trading at $21.56, above its previous 52-week high of $21.48 with 79,441 shares traded as of 12:49 p.m. ET. Average volume has been 141,900 shares over the past 30 days. ATMI has a market cap of $650.4 million and is part of the technology sector and electronics industry. Shares are up 6.2% year to date as of the close of trading on Friday. ATMI, Inc. supplies high-performance materials, materials packaging, and materials delivery systems with applications in the semiconductor, flat-panel display, and in the life sciences industries worldwide. The company has a P/E ratio of 16.2, above the average electronics industry P/E ratio of 16 and below the S&P 500 P/E ratio of 17.7.