The biotech sector has shown a positive trend, with the SPDR S&P Biotech ETF (XBI) rising by 2.38% early in the trading day. This increase is attributed to the sector's performance in its traditionally strong month of November. The XBI is testing its 50-day moving average, which is seen as a driver for small-cap stocks. XBI is up by 2%, testing its 50-day moving average.