This week's biggest % gainers/losers (January 20 - 23, 2015)

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: ARRY (7.11 +58.35%),NVRO (44.61 +20.96%),CCXI (8.49 +15.51%),MDCO (28.4 +13.24%)
• Industrials:NSP (44.27 +22.5%),LUV (45.78 +15.96%)
• Consumer Discretionary: NFLX (437.46 +29.68%),SWHC (12.37 +23.45%),SQBG (11.59 +16.6%),PETS (16.06 +13.34%)
• Information Technology:INFN (16.99 +25.81%),MTSI (34.79 +20.05%),CREE (36.81 +19.13%),PAYC (27.04 +15.11%),HIMX (7.98 +14%)
• Financials:CYN (88.99 +18.45%)
• Energy:HK (1.48 +23.33%)
• Telecommunication Services:OIBR (2.8 +55.56%),OIBR.C (2.93 +54.21%),PT (1.05 +32.91%)

This week's top 20 % losers

• Healthcare:XON (27.34 -19.85%),KITE (67.37 -18.5%),JUNO (41.3 -17.63%),AAVL (39.92 -17.47%),EYES (8.62 -17.35%),BLCM (24.12 -17.2%),ARNA (4.55 -15.82%)
• Materials:AGI (6.04 -26.16%),EGO (5.67 -23.27%),BAK (9.47 -18.57%),CLF (7.49 -15.84%)
• Industrials:ACTG (13.61 -15.52%)
• Consumer Discretionary:LE (38.76 -24.41%),OUTR (63.88 -17.86%),CTCM (3.94 -17.05%)
• Information Technology:IGTE (34.65 -18.2%)
• Financials:ASPS (21.29 -23.03%),OCN (6.35 -22.75%)
• Energy:GTE (2.26 -37.22%),MHR (1.93 -16.81%)