Step 1: Understand the context.
Stock exchanges play a critical role in the financial markets. The future of stock exchanges depends on various factors such as market growth, economic conditions, and technological advancements.
Step 2: Evaluate the options.
- A bright future suggests growth, innovation, and improvement in market efficiency.
- The "in dark" option would imply pessimism about the future of the stock exchanges.
- "Ordinary" would mean a stable but unremarkable future.
- "No future" suggests an end to stock exchanges, which is highly unlikely.
Step 3: Conclude.
Given the rapid advancements in technology, regulation, and globalization, the future of stock exchanges is indeed bright.
Final Answer:
\[
\boxed{\text{Bright}}
\]