现在进行差价赚入交易的科技板块的其他上市公司的(股价)都倍增到了在2000年最后泡沫破裂前的40倍。
Moreover, the price-earnings multiples at which other public companies in the technology sector are trading are nowhere near as frothy as they were before the last bubble burst in 2000.
等股票涨价后卖掉，赚买卖的差价则是投机性的。
Selling the stock after the price rises and making money from prices fluctuation is speculative.
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