Title: The Recent Moves of Tech Companies Amid Stock Market Volatility

In recent developments within the tech industry, several significant events have unfolded, reflecting the sector's dynamism and the stock market's unpredictability. Boku, a carrier billing company based in the United States, has made headlines by listing on the London Stock Exchange's Alternative Investment Market, raising £45 million in stock. This move, with only a third of the shares being new and the rest coming from existing shareholders, showcases the company's growth strategy and investor interest in tech innovations beyond the US market.

Concurrently, the tech stock market is experiencing heightened volatility, with sharp declines causing concern among investors and companies alike. This instability has prompted discussions on the sustainability of current market values and the impact of external factors on tech stocks.

In response to the market's fluctuations, Spotify, a leader in the digital music service industry, has announced a strategic move to buy back up to $1 billion worth of stock. This repurchase program aims to boost the company's stock price amid the prevailing volatility, demonstrating a proactive approach to managing market challenges.

These events underscore the tech industry's complex landscape, where companies navigate through rapid growth opportunities and unpredictable market conditions to enhance their value and investor confidence.

Subtopics:
- Boku's public listing in London
- Volatility in the tech stock market
- Spotify's stock repurchase plan