The trend is the direction of market movements. There are three trends: uptrend, downtrend and oscillation. There are three main trends, secondary trends and short trends. When talking about trends, you must have corresponding cycles and corresponding references, and the trend will always run in the direction of the least resistance of the market. The word "Hacker" is a transliteration of Hacker in English. The word has been around since the time of Shakespeare, but when people first really understood it, it was after the computer came out. According to the Oxford English dictionary, the earliest meaning of hack is to chop and chop, which is easily reminiscent of a computer being illegally invaded by someone else. So the Oxford English dictionary explain the word "Hacker" involves computers meanings is: "to use its own in the field of computer technology, try to in the case of unauthorized access to a computer file or a network of people Originated in ancient human market trading place for a fixed period of time or place, after the urban growth and prosperity, live in the city of adjacent area farmers, craftsmen, artisans, will start to deal with each other and contribute to the economy of the city. Obvious, the best way to trade is in the city there is a centralized, as market, can let the people in the provision of goods and business services, convenient for people to find goods and business contacts. When a city's market becomes large and more open, the city's economic vitality is also relatively growing “We’re obviously delighted to be featured in Love Your Home and Garden. It’s very pleasing to be recognised as a leading provider of aluminium windows and doors – but it’s just as satisfying to be supporting good people going through hard times.