This week's biggest % winners & losers: May 11 - 15, 20 (wk 20)

This week's biggest % gainers/losers 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: NVAX (43.63 +132.94%), CBAY (4.05 +127.53%), MYOK (121.69 +99.2%), ALLO (44.91 +42.98%), ACB (11.2 +38.97%), CYTK (21.64 +37.35%), MDGL (118.4 +30.32%), NTLA (17.66 +29.47%), MGNX (25.8 +26.84%), OPK (2.62 +24.76%), QDEL (197.27 +24.38%), INO (13.43 +23.72%)
• Materials: CDE (5.1 +22.3%)
• Industrials: UPWK (13.72 +39.29%)
• Consumer Discretionary: SFIX (21.41 +21.58%)
• Information Technology: AVYA (13.2 +26.07%)
• Consumer Staples: UNFI (18.32 +53.18%)
• Utilities: CEPU (2.95 +21.9%)

This week's top % losers

• Healthcare: CTMX (9.01 -36.73%)
• Materials: SXC (2.58 -27.73%)
• Industrials: SALT (14.6 -27.22%)
• Information Technology: INFN (4.26 -29.82%)
• Financials: CLNC (3.81 -27.15%)
• Energy: FTSI (3.73 -44.86%), CRC (1.49 -37.13%), CRK (4.65 -36.82%), OMP (4.35 -33.18%), GPOR (1.62 -32.22%), CHK (10.79 -26.6%)
• Consumer Staples: COTY (3.29 -36.73%)