This week's biggest % winners & losers : July 16 - 20, 18 (wk 29)

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: CHRS (18.6 +22.37%), CSLT (5.4 +21.35%), ACIU (16.28 +18.23%), AQXP (3.01 +13.58%)
• Materials: CLF (9.96 +18.57%)
• Industrials: GOL (7.09 +21.4%), GTLS (76.88 +16.91%), GATX (88.28 +14.86%)
• Consumer Discretionary: BPI (7.58 +17.34%)
• Information Technology: AXE (74.7 +15.46%), BMI (52.55 +14.12%), MELI (373.46 +13.97%)
• Financials: NMIH (19.7 +20.12%), LTXB (44.53 +15.57%), MTG (12.41 +15.44%)
• Energy: DM (16.55 +15.33%), TCP (31.02 +13.96%)
• Utilities: EBR (4.62 +20.31%)

This week's top 20 % losers

• Healthcare: NSTG (12.21 -18.65%), DPLO (22.33 -15.06%), TSRO (39.24 -12.61%)
• Materials: AA (40.32 -14.68%)
• Industrials: NCS (16.6 -20.38%), RECN (14.3 -18.29%)
• Consumer Discretionary: SBGI (26.9 -18.36%), SKX (26.27 -16.04%), TRCO (33.05 -14.29%)
• Information Technology: CCRC (8.61 -45.81%), AAOI (41.78 -12.56%)
• Energy: EPE (2.26 -16.3%), SDRL (18.65 -14.57%)
• Telecommunication Services: CBB (12.95 -16.72%)