How to use 走勢 in finance/tech industry
走勢 in this context means "(directional) trend" - 

Example: 

The trend of gold price is downward (a direction) -  黃金價格走勢向下

The trend of gold price is upward (a direction) - 黃金價格走勢向上

Similar word is "趨勢" trend; tendency 

Example: 

gold price is is trending upward  - 黃金價格呈上升趨勢


  So sounds like the meaning is closer to "price/directional trend"?


Not limited to price, It can apply to 銷量 too. E.g. "iPhone 在中國的銷量走勢向下" (iPhone sell in China is trending downward )