中文：

美国股市上涨时，通常用绿色表示。这是因为美国股市的走势图采用的是绿色的图表，当股票价格上涨时，图表上的价格线也会相应地向上移动，呈现出绿色的上涨趋势。

美国股市的上涨通常与国内经济和全球经济的表现密切相关。当国内经济表现良好，公司业绩稳定增长，市场情绪积极时，美国股市通常会呈现上涨趋势。此外，全球经济的表现也会对美国股市产生影响，如果全球经济表现良好，国际贸易局势稳定，美国股市也可能会呈现上涨趋势。

美国股市的上涨还会受到政治因素的影响。政治稳定、政府政策积极以及企业盈利增长等因素都会促进美国股市的上涨。相反，政治动荡、政策不确定性和企业盈利下滑等因素则可能会对美国股市的上涨产生负面影响。

总之，美国股市的上涨是由多种因素共同作用的结果。要想了解美国股市的走势，需要综合考虑经济、政治和企业等多方面的因素。

英文：

When the US stock market rises, it is usually represented by the color green. This is because the US stock market chart uses a green chart, and when stock prices rise, the price line on the chart will move upward accordingly, showing a green upward trend.

The US stock market's rise is usually closely related to the performance of the domestic and global economies. When the domestic economy performs well, company performance is steadily growing, and market sentiment is positive, the US stock market usually tends to show an upward trend. In addition, the performance of the global economy will also affect the US stock market. If the global economy performs well and international trade relations are stable, the US stock market may also show an upward trend.

The rise of the US stock market will also be affected by political factors. Political stability, active government policies, and corporate earnings growth will all promote the rise of the US stock market. Conversely, political instability, policy uncertainty, and corporate earnings decline may have a negative impact on the rise of the US stock market.

In short, the rise of the US stock market is a result of a combination of various factors. To understand the trend of the US stock market, we need to consider economic, political, and corporate factors comprehensively.