This week's biggest % winners & losers: Feb 10 - 14, 20 (wk 7)

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

This week's top % gainers

• Healthcare: IMGN (6.8 +49.45%), INO (4.15 +30.09%), ABEO (3.17 +26.29%), NVAX (7.68 +21.71%), DXCM (283.91 +18.19%)
• Materials: CC (19.37 +37.96%)
• Industrials: CAR (41.3 +18.44%)
• Information Technology: VECO (18.08 +27.5%), DQ (72.56 +25.65%), CASA (4.49 +20.7%), COMM (14.52 +18.05%)
• Energy: EXTN (6.37 +25.15%), CLNE (2.87 +20.08%)

This week's top % losers

• Healthcare: AKRX (1.36 -20.93%), MRNA (19 -18.24%), TBPH (25.08 -18.17%), DCPH (55.54 -17.07%)
• Materials: PVG (7.41 -24.39%)
• Industrials: R (40.12 -19.84%), NSP (73.51 -15.59%)
• Consumer Discretionary: BBBY (11.18 -26.98%), CARG (25.05 -24.87%), CAL (14.27 -19.7%), GT (11.1 -17.35%), TUP (5.5 -15.51%), TLYS (7.41 -15.31%)
• Information Technology: LPSN (33.96 -21.81%)
• Financials: QD (2.25 -18.48%)
• Energy: CEIX (7.04 -25.03%), CNX (6.08 -17.95%), CVIA (1.66 -16.16%)