Being someone who works in high frequency, this 100 lot strategy is actually very effective in bringing the price down. Many strategies in the high frequency space look at various signals, called "alphas", to determine whether to go long or short. One alpha that is widley used is "number of consecutive trades on the bid or offer".
HFT is so competitive now, and influences so much of the short term price action, that a lot of firms are studying what can trigger the various algos in the market, so that they can write an algo that takes advantage of other algos.
So what I'm saying is, someone wants to drive down the stock and knows that this 100 lot selling strategy causes other algos to kick in and sell the bid.
I know for a fact there are quite a few algos in the chinese small cap space, because we are one of them (the guy sitting next to me runs a long/short strategy and many of the stocks in the strategy are our very own CGS stocks).
I've done a lot of quant research on trade action at my firm, maybe if I have time I'll study what's been going on in CCME. I'm not concerned though, which is why I'm not going to devote time to it now on company time.
