
The October 15 short interest data have been compared with the previous figures, and short interest mixed in these selected stocks for this settlement date.
Amgen Inc. (NASDAQ: AMGN) saw its short interest jump to 12.65 million shares from the previous level of 11.01 million. Shares closed Monday at $158.58, in a 52-week trading range of $130.09 to $181.81.
Biogen Inc. (NASDAQ: BIIB) had its short interest fall to 4.25 million shares from the previous 5.15 million. Shares closed Monday at $274.60, within a 52-week trading range of $254.00 to $480.18.
Celgene Corp. (NASDAQ: CELG) short interest for this settlement date decreased slightly to 16.37 million shares from the previous reading of 16.53 million. Shares of Celgene closed Monday at $123.65, in a 52-week range of $92.98 to $140.72.
Gilead Sciences Inc. (NASDAQ: GILD) saw its short interest rise to 30.73 million shares from 28.39 million in the previous period. Shares closed Monday at $108.63, in a 52-week trading range of $85.95 to $123.37.
MannKind Corp. (NASDAQ: MNKD) saw its short interest drop to 124.02 million shares. The previous reading was 126.84 million. This is the highest reading on the year. Shares closed Monday at $3.55, in a 52-week trading range of $2.88 to $7.88.
Alexion Pharmaceuticals Inc. (NASDAQ: ALXN) short interest increased to 7.23 million from the previous level of 6.62 million. The mid-June level was far and away the highest reading on the year, and since that time shares have backed off significantly. Shares closed Monday at $170.01, in a 52-week range of $142.02 to $208.88.