Allegro's 15-minute chart shows MACD Golden Cross, Bollinger Bands expanding upward.

Based on the technical analysis of Allegro's 15-minute chart, the MACD indicator has recently formed a Golden Cross, which is a bullish signal indicating a potential upward trend in the stock price. Furthermore, the Bollinger Bands are currently expanding upward, suggesting a growing market trend driven by buying pressure. Therefore, the stock is likely to continue rising in the short term.