This week's biggest % winners & losers : Feb 20 - 24, 17 (wk 8)

The following are this week's top 20 percentage gainers and top 20 percentage losers, categorized by sectors (over $300 mln market cap and 100K average daily volume).

This week's top 20 % gainers

• Healthcare:LNTH (12.73 +34.66%),CYH (9.22 +33.62%),AXDX (26.6 +14.9%),THC (21.99 +13.53%),SRPT (31.95 +12.98%)
• Materials:TROX (17.4 +20.67%)
• Industrials:GNK (11.36 +15.1%),SBLK (9.5 +15.01%),FIX (38.65 +14.86%)
• Consumer Discretionary:PLKI (79.02 +19.51%),RH (31.34 +16.85%),TV (26.44 +14.41%),LL (17.39 +13.22%),GNC (8.63 +12.96%)
• Information Technology:KEM (11 +36.48%),AAOI (46.22 +24.01%),SQ (17.43 +20.46%),UCTT (14.66 +20.26%),CNDT (16.97 +12.98%),OLED (81.5 +12.96%)

This week's top 20 % losers

• Healthcare:TRVN (4 -43.9%),MNTA (15.5 -18.42%),AMRI (15.21 -18.27%),AMPH (15.19 -17.45%),BCRX (5.51 -16.01%)
• Materials:NAK (1.55 -31.42%),HCLP (17.35 -18.54%)
• Industrials:GRAM (3.32 -35.03%)
• Consumer Discretionary:ENT (4.31 -30.71%)
• Information Technology:SREV (4.01 -31.22%),ACIA (54.03 -18.86%),OCLR (9.23 -16.29%)
• Financials:OCN (4.24 -19.08%)
• Energy:BPT (21.3 -27.92%),FMSA (9.93 -17.59%),PKD (1.95 -17.02%),QEP (14.05 -16.72%),AROC (13.35 -15.51%),SWN (7.35 -15.32%)