You can then place a limit-sell order a few pips below that resistance level so that your short order will be filled when the market moves up to that specified price or higher.
In this case, you can place a limit-buy order a few pips above that support level so that your long order will be filled when the market moves down to that specified price or lower.
The independent reviewer has also challenged the new two-year-limit on TPims - a restriction that wasn't part of the previous control order regime scrapped at the start of 2012.
The best way to protect yourself is to use limit orders when placing an order to buy or sell a stock or an exchange-traded fund. (See How Your Buy and Sell Orders Get Filled for more.) Look at the bid-ask spread and set your price limit at the bid for selling a stock and at the ask for buying a stock.
And the finding is particularly pertinent because existing dietary advice to pregnant women, at least in America, is that they should limit their consumption of seafood in order to avoid exposing their fetuses to trace amounts of brain-damaging methyl mercury.