Accelerated Trackers are listed on the London stock market and are dealt just like ordinary shares through a stockbroker, although with the advantage that no stamp duty is payable when buying.

加速追踪产品在伦敦证券市场挂牌交易，可以像普通股票一样委托股票经纪人买卖，并具有无须缴纳印花税的优点。

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The weekly OBV of AAPL broke through its resistance (line a) in February 2012 as the stock accelerated to the upside.

FORBES: A Candle Trigger for Market Tops

Last year, many taxpayers accelerated income and sold stock realizing capital gains to lock in lower tax rates in anticipation of all the tax hikes that hit in January.

FORBES: Why High Income Earners Need To Pay Extra Attention To 2013 Estimated Tax Payments

On the stock buyback, he notes that DirecTV has been buying back stock at an accelerated pace and will likely continue to do so in 2012, but that the pace is likely to slow meaningfully in 2013.

FORBES: DirecTV Shares Slide As Nomura Turns Bearish