Stock investment is categorized into short-term and long-term strategies. As with all investments, the success of an asset is determined at the time of purchase, not when you sell it. Short-term investing involves buying stocks at low prices, while long-term investing focuses on buying based on the overall price trend. These two approaches embody different investment philosophies. The first factor to consider when developing an investment strategy is time—the duration of the investment. Valuation and investment methods vary depending on the length of the investment horizon. - Joseph’s “just my thoughts”
For the security of the Internet service, we have been asked by the Internet service companies to set the password combined by more than 8 or 10 "uppercase letter+lowercase letter+number+special character". But it was obviously of no use. This security guideline was recommended by Bill Burr who worked at NIST in the USA, he suggested this way in his report. Furthermore, the user was required to change the initial password set regularly. Despite this measure, the best way of security to protect users' accounts was the notification of the alarm for attempted hacking when the hacker tried. We have only tried to change the keys despite the simple method meanwhile. Today, the world has begun to comprehend that the security problem is not encryption or confidentiality, but simply cyber-dominion control and communication. - Joseph's "just my thoughts"