Exco Technologies 和 Nanoco Group 的股票跌破 200 天移动平均线，预示着潜在的低迷。 Exco Technologies and Nanoco Group stocks fall below 200-day moving average, signaling potential downturns.

Exco Technologies 的股价已跌破其 200 天移动平均线，这是一个关键指标，表明该股的趋势可能发生转变。 Exco Technologies' stock price has fallen below its 200-day moving average, a key indicator suggesting a potential shift in the stock's trend. 这一发展可能预示着投资者信心的下降或影响公司的市场状况下降。 This development might signal a downturn in investor confidence or market conditions affecting the company. 同样，Nanoco Group 的股票也跌破其 200 天移动平均线，表明该公司可能出现负面趋势。 Similarly, Nanoco Group's stock has also dipped below its 200-day moving average, pointing to a possible negative trend for the company.