MongoDB

 MongoDB is an open source, document-based database management system that does not require a table schema description. MongoDB - classified as NoSQL and uses JSON-like documents and a database schema. If all four previous DBMSs are well known to most IT professionals, then few have heard of MongoDB. But she confidently takes the 5th line in almost all ratings. And as a result, in our ranking, she also occupies the 5th position.

Wedge-Wedge

 Wedge Bull Wedge


In an uptrend, a trader may see a bearish or bullish wedge. Unlike triangles, wedges do not have a flat side. Both sides are tilted in the same direction.


With a bullish (descending) wedge, local lows are updated. At the same time, the price in the range slows down. Therefore, on a rising chart, a bullish wedge looks like a small correction. The highs and lows of the wedge are approaching. Typically, traders open short positions after breaking through the upper boundary of the bullish wedge.


bearish wedge

A bearish (rising) wedge forms similarly to a bullish one. The difference is that local maxima are updated. The price in the decreasing range is slowing down. With a bearish wedge, a trend reversal or a subsequent correction is possible.