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May 23, 2017: Here are four stocks trading with relatively heavy volume among 88 equities making new 52-week lows in Tuesday’s session. On the NYSE, advancers led decliners by about 4 to 3 and on the Nasdaq advancers led decliners by about the same margin.

Alexion Pharmaceuticals Inc. (NASDAQ: ALXN) posted a new 52-week low of $102.47 on Tuesday, down more than 11% compared with Monday’s closing price of $115.42. The stock’s 52-week high is $157.02. Volume totaled more than 16 million shares, nearly 6 times the daily average of about 3 million. The company announced several executive changes this morning.

Teva Pharmaceuticals Industries Ltd. (NYSE: TEVA) dropped about 3.3% Tuesday to post a new 52-week low of $28.48 after closing at $29.44 on Monday. The stock’s 52-week high is $56.44. Volume of about 12.3 million was about 70% above the daily average of around 8 million shares traded. The company had no specific news.

Cerus Corp. (NASDAQ: CERS) dropped about 27% Tuesday to post a new 52-week low of $2.19 after closing at $3.00 on Monday. The stock’s 52-week high is $7.64. Volume was about 5 times the daily average of around 1.6 million shares. The company had no specific news.

DSW Inc. (NYSE: DSW) dropped about 9.5% Tuesday to post a new 52-week  low of $15.98 after closing Monday at $17.65. The 52-week high is $26.22. Volume of around 6.3 million shares was about 2.5 times the daily average. The footwear and accessories company reported first-quarter earnings that were below estimates.